1/*
2 * linux/arch/arm/mach-footbridge/netwinder-pci.c
3 *
4 * PCI bios-type initialisation for PCI machines
5 *
6 * Bits taken from various places.
7 */
8#include <linux/kernel.h>
9#include <linux/pci.h>
10#include <linux/init.h>
11
12#include <asm/irq.h>
13#include <asm/mach/pci.h>
14#include <asm/mach-types.h>
15
16/*
17 * We now use the slot ID instead of the device identifiers to select
18 * which interrupt is routed where.
19 */
20static int __init netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
21{
22	switch (slot) {
23	case 0:  /* host bridge */
24		return 0;
25
26	case 9:  /* CyberPro */
27		return IRQ_NETWINDER_VGA;
28
29	case 10: /* DC21143 */
30		return IRQ_NETWINDER_ETHER100;
31
32	case 12: /* Winbond 553 */
33		return IRQ_ISA_HARDDISK1;
34
35	case 13: /* Winbond 89C940F */
36		return IRQ_NETWINDER_ETHER10;
37
38	default:
39		printk(KERN_ERR "PCI: unknown device in slot %s\n",
40			pci_name(dev));
41		return 0;
42	}
43}
44
45static struct hw_pci netwinder_pci __initdata = {
46	.map_irq		= netwinder_map_irq,
47	.nr_controllers		= 1,
48	.ops			= &dc21285_ops,
49	.setup			= dc21285_setup,
50	.preinit		= dc21285_preinit,
51	.postinit		= dc21285_postinit,
52};
53
54static int __init netwinder_pci_init(void)
55{
56	if (machine_is_netwinder())
57		pci_common_init(&netwinder_pci);
58	return 0;
59}
60
61subsys_initcall(netwinder_pci_init);
62